研究小组严格控制了社会及文化因素引起的差异，以便单纯研究自然选择对这些特征的选择性到底有多强。
They controlled for changes due to social and cultural factors to calculate how strongly natural selection is shaping these traits.
这种本质是由个人所独具的自然素质，社会遇境和个人意识三个方面的因素交互作用，共同决定的。
This nature is determined by the interaction of such three factors as individual's natural qualities, social circumstances and personal consciousness.
项目是在复杂的自然和社会环境中进行的，受众多因素的影响。
Projects, due to being engaged in the complicated natural and social environments, are influenced by many elements.
应用推荐